/*
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * The Original Code is iSQL-Viewer, A Mutli-Platform Database Tool.
 *
 * The Initial Developer of the Original Code is iSQL-Viewer, A Mutli-Platform Database Tool.
 * Portions created by Mark A. Kobold are Copyright (C) 2000-2007. All Rights Reserved.
 *
 * Contributor(s): 
 *  Mark A. Kobold [mkobold <at> isqlviewer <dot> com].
 *  
 * If you didn't download this code from the following link, you should check
 * if you aren't using an obsolete version: http://www.isqlviewer.com
 */
package org.isqlviewer.ui.laf;

import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;

import javax.swing.UIManager;

/**
 * Default Icon to use when no icon is available.
 * <p>
 * Does a color LED thing with a ? in the center.
 * 
 * @author Mark A. Kobold &lt;mkobold at isqlviewer dot com&gt;
 * @version 1.0
 */
public class NullIcon extends ColorLedIcon {

    public NullIcon() {

        super(UIManager.getColor("textHighlight"), 0, 0);
    }

    @Override
    public void paintIcon(Component c, Graphics g1, int x, int y) {

        super.paintIcon(c, g1, x, y);
        Graphics2D g = (Graphics2D) g1;

        Dimension size = new Dimension(getIconWidth(), getIconHeight());
        int sphereSize = size.width <= size.height ? size.width : size.height;
        Rectangle gradientRect = new Rectangle(-sphereSize / 2, -sphereSize / 2, 3 * sphereSize / 2, 3 * sphereSize / 2);
        float x1 = gradientRect.width / 2f;
        float y1 = gradientRect.height / 2f;
        g.setColor(UIManager.getColor("textHighlightText"));
        g.drawString("?", x1 / 2, y1);
    }
}
